Question

a wall clock strikes the bell once at 1 o' clock, 2 times at 2 o'clock, 3 times at 3 o' clock ans so on. how many times will it stirke in a particular day. find the standard deviation of the number of strikes the bell make a day.

Answer 1

Answer:

The clock strikes once at 1 o'clock,twice at 2 o'clock and so on. [1 day = 24 hours] clock has 12 hours so we have to multiply the series by 2 to make it 24 hours. Hence, the clock will strike 156 times in a day.

Step-by-step explanation:

BTS ARMY

Answer 2

Answer:

23 is the answer bhud jjsjije